What can cause an IHF or input overheating fault on the ATV680 enclosed drives?
Issue:
IHF or Internal overheating fault
Product Line:
ATV680 and ATV980 enclosed drives
Environment:
All
Cause:
AFE brick can be overheating or the drive ambient temperature is to high.
Resolution:
-Check Ambient temperature conditions
-Check to see if the heatsink is blocked.
-Look at the Drives thermal state the THDA setting
-Check the 48vdc cooling fan power supplies to see if they are powered up if the drive is powered on with a run command.
Released for: Schneider Electric New Zealand
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